Big Babies: A public health organization reports that 21% of baby boys 6-8 months old in the United States weigh more than 20 pounds. A sample of 11 babies is studied. Part 1 of 2

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Big Babies: A public health organization reports that 21% of baby boys 6-8 months old in the United States weigh more than 20
pounds. A sample of 11 babies is studied.
Part 1 of 2
(a) What is the mean number who weigh more than 20 pounds in a sample of 11 babies aged 6-8 months? Round the
answer to two decimal places.
The mean number who weigh more than 20 pounds is
Part 2 of 2
(b) What is the standard deviation of the number who weigh more than 20 pounds in a sample of 11 babies aged 6-8
months? Round the answer to four decimal places.
The standard deviation of the number who weigh more than 20 pounds is
Transcribed Image Text:Big Babies: A public health organization reports that 21% of baby boys 6-8 months old in the United States weigh more than 20 pounds. A sample of 11 babies is studied. Part 1 of 2 (a) What is the mean number who weigh more than 20 pounds in a sample of 11 babies aged 6-8 months? Round the answer to two decimal places. The mean number who weigh more than 20 pounds is Part 2 of 2 (b) What is the standard deviation of the number who weigh more than 20 pounds in a sample of 11 babies aged 6-8 months? Round the answer to four decimal places. The standard deviation of the number who weigh more than 20 pounds is
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